Xbox Series X / S Diagnostic
Test Xbox TV & Monitor Screen
Test your TV or gaming monitor with Xbox Series X|S. Open via Microsoft Edge on your console or connect your laptop to check 120Hz output, HDR gradients, and pixel defects.
Running the Test on Xbox Microsoft Edge
Launch the built-in Microsoft Edge browser on your Xbox console, navigate to DeadPixelTests.com, and press the Menu button or A button on your Xbox controller to enter fullscreen solid-color diagnostic cycles.